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ICSE Class 10 Answered

The number nearest to 100000and greater than 100000which is exactly divisible by each of 8,15 and 21is
Asked by sowmya subathra | 06 Apr, 2013, 06:38: AM
answered-by-expert Expert Answer
lcm of the number 8, 15, 21 is 840 
 Now to come up with the smallest 6 digit number, we can simply randomly keep playing with multiplication factors.
 
So, 840*100 = 84000<100,000
so 840 * 120 = 100800 which is greater than 100000 and closest to 100,000 also. 
Also, 840*119 = 99960<100,000
 
So, the smallest 6 digit number is 100,800 which is divisible by 8,15 and 21.
Answered by | 07 Apr, 2013, 07:42: AM

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